Mix the Jell-O pudding as directed. Mix the cake mix as directed on box. Mix the pudding in the cake mix.
Pour cake mix in 2-9 inch cake pans. Bake as directed on cake mix box. Let completely cool.
Put 1 cake layer on a cake plate, and frost by using 1 jar favorite flavor frosting. Put the other layer of cake on the top & use the other jar favorite flavor frosting to frost the top layer. You may decorate any way you like.